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Non-contact speed encoder
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Patent number 11,525,805
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Issue date Dec 13, 2022
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Olympus NDT Canada Inc.
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Rémi Leclerc
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G01 - MEASURING TESTING
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3835374
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Patent number 3,835,374
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Issue date Sep 10, 1974
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G01 - MEASURING TESTING
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3557615
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Patent number 3,557,615
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Issue date Jan 26, 1971
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G01 - MEASURING TESTING
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3496457
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Patent number 3,496,457
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Issue date Feb 17, 1970
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G01 - MEASURING TESTING
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3443212
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Patent number 3,443,212
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Issue date May 6, 1969
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G01 - MEASURING TESTING
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3424976
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Patent number 3,424,976
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Issue date Jan 28, 1969
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G01 - MEASURING TESTING
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3345563
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Patent number 3,345,563
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Issue date Oct 3, 1967
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G01 - MEASURING TESTING
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3328681
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Patent number 3,328,681
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Issue date Jun 27, 1967
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E21 - EARTH DRILLING MINING
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3278839
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Patent number 3,278,839
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Issue date Oct 11, 1966
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G01 - MEASURING TESTING
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3242425
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Patent number 3,242,425
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Issue date Mar 22, 1966
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G01 - MEASURING TESTING
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3189817
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Patent number 3,189,817
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Issue date Jun 15, 1965
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G01 - MEASURING TESTING